Smoke and fire alarm



FIG. 1 is a front elevational view of a smoke and fire alarm showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a front elevational view of a second embodiment of a smoke and fire alarm;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a rear elevational view thereof;

FIG. 10 is a left side elevational view, the right side being a mirror image thereof;

FIG. 11 is a top plan view thereof. 

The ornamental design for a smoke and fire alarm, as shown and desdribed. 